package com.permission.util;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

public class MyBatisUtil {
    private static SqlSessionFactory sqlSessionFactory;

    static {
        try {
            // 加载MyBatis配置文件
            String resource = "mybatis/mybatis-config.xml";
            InputStream inputStream = Resources.getResourceAsStream(resource);
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
        } catch (IOException e) {
            throw new RuntimeException("初始化MyBatis失败", e);
        }
    }

    // 获取SqlSession
    public static SqlSession getSession() {
        return sqlSessionFactory.openSession();
    }
}